... Ceramic Road Stud 1.Ceramic non-reflective pavement markers 2.ceramic base and a heat-fired, opaque, glazed surface. Description: Product Name: Ceramic Road ... markers consist of a heat-fired, vitreous, ceramic base and a heat-fired, opaque, glazed surface.Ceramic non-reflective ... visibility, available in high visibly white or yellow.Ceramic Road Studhelps them easily installed with epoxy resin